S
M
T
W
T
F
S
26
80°
66°
27
66°
57°
28
76°
58°
29
81°
64°
30
79°
67°
1
71°
64°
2
65°
54°
3
71°
51°
4
78°
54°
5
77°
56°
6
83°
64°
7
82°
69°
8
74°
64°
9
82°
66°
10
85°
67°
11
90°
71°
12
73°
63°
13
74°
63°
14
83°
57°
15
79°
60°
16
83°
69°
17
84°
68°
18
82°
68°
19
86°
70°
20
88°
70°
21
86°
72°
22
82°
71°
23
85°
71°
24
85°
69°
25
84°
70°
26
85°
68°
27
87°
69°
28
87°
73°
29
89°
73°
30
89°
72°
31
88°
72°
1
88°
73°
2
87°
73°
3
89°
72°
4
88°
73°
5
84°
73°
6
86°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Port Royal
Port Royal's May 2026 forecast shows daily high temperatures ranging from 79° to 89°, with overnight lows between 57° and 73°. The average high for May is 86° with an average low of 70°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Port Royal. See also: June | July | August.
